Louis Garrel, Eva Green and Michael Pitt bare all in Bernardo Bertolucci’s “The Dreamers” (2003), set during the May 1968 political unrest in Paris. Not on the same high level as the director’s “The Conformist” (1970) or “Last Tango in Paris” (1972), “The Dreamers” is still worthy of a look. It unreels today at BAM Rose Cinemas in Brooklyn; bam.org